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Product links:
1) SNR-ERD-4S controller: https://shop.nag.ru/catalog/00007.avt...
00:00 - Entry
01:12 - External examination
03:28 - Terminal assignment
05:47 - Design notes
07:16 - Web interface: general
07:48 - Web interface: interface converters
12:07 - Web interface: setting up inputs / outputs
15:58 - Web interface: services
21:53 - Web interface: protocol settings and administration
26:51 - Dismantling
29:50 - Results
30:44 - Footages